Queen offered a pint on Guinness brewery tour in Dublin

The Queen visited Dublin's Guinness Storehouse, where she was served a pint of Ireland's famous tipple.

During the morning visit, the art of pouring the perfect pint was explained to the Queen and Prince Philip, but both declined to try the drink.

The tour began the Queen's second of her four-day visit to the Republic of Ireland.

Jon Sopel reports.